ZA813915B - Injection molding and extrusion of ultra-high molecular weight polyethylene - Google Patents
Injection molding and extrusion of ultra-high molecular weight polyethyleneInfo
- Publication number
- ZA813915B ZA813915B ZA00813915A ZA813915A ZA813915B ZA 813915 B ZA813915 B ZA 813915B ZA 00813915 A ZA00813915 A ZA 00813915A ZA 813915 A ZA813915 A ZA 813915A ZA 813915 B ZA813915 B ZA 813915B
- Authority
- ZA
- South Africa
- Prior art keywords
- ultra
- extrusion
- molecular weight
- injection molding
- high molecular
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16296580A | 1980-06-25 | 1980-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA813915B true ZA813915B (en) | 1982-06-30 |
Family
ID=22587868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00813915A ZA813915B (en) | 1980-06-25 | 1981-06-10 | Injection molding and extrusion of ultra-high molecular weight polyethylene |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0042768A1 (en) |
JP (1) | JPS5782031A (en) |
AU (1) | AU7197281A (en) |
BR (1) | BR8103985A (en) |
YU (2) | YU158181A (en) |
ZA (1) | ZA813915B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0091903A1 (en) * | 1981-05-21 | 1983-10-26 | KUBAT, Josef | Injection moulding process using high pressures |
JPS60163935A (en) * | 1984-02-03 | 1985-08-26 | Mitsui Petrochem Ind Ltd | Spherical powder of ultra-high-molecular-weight polyolefin |
US4587163A (en) * | 1984-03-06 | 1986-05-06 | Zachariades Anagnostis E | Preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance |
JPS61501695A (en) * | 1984-03-29 | 1986-08-14 | アメリカン ヘキスト コ−ポレイシヨン | Improved polyethylene molding composition and method for making the same |
WO1990003422A1 (en) * | 1988-09-28 | 1990-04-05 | Dai Nippon Insatsu Kabushiki Kaisha | Slider |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH449952A (en) * | 1963-12-06 | 1968-01-15 | Ruhrchemie Ag | Process for shaping high molecular weight polyethylene |
DE1220116B (en) * | 1964-02-05 | 1966-06-30 | Ankerwerk Gebr Goller | Process for processing high molecular weight polyethylene |
DE1454865B2 (en) * | 1965-02-13 | 1972-11-02 | Ruhrchemie Ag, 4200 Oberhausen-Holten | METHOD FOR PLASTIFYING HIGH MOLECULAR POLYAETHYLENE OR POLYPROPYLENE IN A SINGLE SCREW PRESS |
US4145175A (en) * | 1976-03-08 | 1979-03-20 | Keltrol Enterprises, Inc. | Extrusion apparatus |
US4171338A (en) * | 1977-11-01 | 1979-10-16 | Allied Chemical Corporation | Process for ultra-high molecular weight, high abrasion resistance, cross-linked polyethylene |
-
1981
- 1981-06-10 ZA ZA00813915A patent/ZA813915B/en unknown
- 1981-06-19 AU AU71972/81A patent/AU7197281A/en not_active Abandoned
- 1981-06-24 BR BR8103985A patent/BR8103985A/en unknown
- 1981-06-24 YU YU01581/81A patent/YU158181A/en unknown
- 1981-06-24 EP EP81302846A patent/EP0042768A1/en not_active Withdrawn
- 1981-06-25 JP JP56099048A patent/JPS5782031A/en active Pending
-
1983
- 1983-07-01 YU YU01448/83A patent/YU144883A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5782031A (en) | 1982-05-22 |
BR8103985A (en) | 1982-03-09 |
AU7197281A (en) | 1982-01-07 |
EP0042768A1 (en) | 1981-12-30 |
YU158181A (en) | 1983-12-31 |
YU144883A (en) | 1983-12-31 |
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